diff options
Diffstat (limited to 'lib/libc/stdio/fwalk.c')
| -rw-r--r-- | lib/libc/stdio/fwalk.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/libc/stdio/fwalk.c b/lib/libc/stdio/fwalk.c index b1a25d1..17cb5ce 100644 --- a/lib/libc/stdio/fwalk.c +++ b/lib/libc/stdio/fwalk.c @@ -42,20 +42,26 @@ static const char rcsid[] = "$FreeBSD$"; #endif /* LIBC_SCCS and not lint */ -#include <errno.h> +#include <sys/types.h> +#include <machine/atomic.h> #include <stdio.h> #include "local.h" #include "glue.h" int _fwalk(function) - register int (*function)(FILE *); + int (*function)(FILE *); { - register FILE *fp; - register int n, ret; - register struct glue *g; + FILE *fp; + int n, ret; + struct glue *g; ret = 0; + /* + * It should be safe to walk the list without locking it; + * new nodes are only added to the end and none are ever + * removed. + */ for (g = &__sglue; g != NULL; g = g->next) for (fp = g->iobs, n = g->niobs; --n >= 0; fp++) if (fp->_flags != 0) |
